chore(deps-dev): bump turbo in /templates/start-monorepo

Bumps [turbo](https://github.com/vercel/turborepo) from 2.9.4 to 2.9.14.
- [Release notes](https://github.com/vercel/turborepo/releases)
- [Changelog](https://github.com/vercel/turborepo/blob/main/RELEASE.md)
- [Commits](vercel/turborepo@v2.9.4...v2.9.14)

---
updated-dependencies:
- dependency-name: turbo
  dependency-version: 2.9.14
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

templates/start-monorepo/package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "prettier": "^3.8.1",
     "prettier-plugin-tailwindcss": "^0.7.2",
-    "turbo": "^2.8.17",
+    "turbo": "^2.9.14",
     "typescript": "5.9.3"
   },
   "packageManager": "pnpm@9.15.9",